William R. Merrin

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San Jose, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Watertight system for mounting equipment on roof
- Patent number 5,603,187
- Issue date Feb 18, 1997
- William R. Merrin
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Weather-tight roof flashing shield
- Patent number 5,226,263
- Issue date Jul 13, 1993
- Wil-Mar Products, Inc.
- William R. Merrin
- E04 - BUILDING